ARM: dts: msm: update energy costs for SDMMAGPIE

Update energy costs with available cpu frequencies, which are
used by energy aware scheduler for task placement decisions.

While at it, update number of sched cluster idle costs based on
low power mode cluster states.

Change-Id: I7c3a775a51f5273093b004032b00b7c79c89b8ab
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>